Massive Harford rainstorm

DAVID ANDERSON | AEGIS STAFF / Baltimore Sun

Motorists make their way through the flooded intersection of Hickory Avenue and Moores Mill Road in Bel Air Thursday after a thunderstorm dropped massive amounts of rain on central Harford County. Police closed the highway not long after this photo was taken.

A vehicle is stranded in high water north of Bel Air during Thursday night's massive rainstorm that flooded a number roads in the area and kept fire and rescue crews and police busy responding to more than 20 swift water rescue calls, such as this one.

A massive rainstorm that deluged the Bel Air area Thursday evening caused an unusually heavy amount of street flooding, resulting in in numerous swift water rescue calls from motorists and others trapped in the fast rising waters.